Merge remote-tracking branch 'origin/DRTVWR-528' into DRTVWR-559

1 files changed, 7 insertions, 1 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
index b4044353b4..7032c45603 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/moonF.glsl
@@ -54,6 +54,12 @@ void main()
         fade = clamp( moon_dir.z*moon_dir.z*4.0, 0.0, 1.0 );
 
     vec4 c      = texture2D(diffuseMap, vary_texcoord0.xy);
+
+    // SL-14113 Don't write to depth; prevent moon's quad from hiding stars which should be visible
+    // Moon texture has transparent pixels <0x55,0x55,0x55,0x00>
+    if (c.a <= 2./255.) // 0.00784
+        discard;
+
 //       c.rgb  = srgb_to_linear(c.rgb);
          c.rgb *= moonlight_color.rgb;
          c.rgb *= moon_brightness;
@@ -67,6 +73,6 @@ void main()
     frag_data[1] = vec4(0.0);
     frag_data[2] = vec4(0.0, 0.0, 0.0, GBUFFER_FLAG_HAS_ATMOS);
 
-    gl_FragDepth = 0.999985f;
+    gl_FragDepth = LL_SHADER_CONST_CLOUD_MOON_DEPTH; // SL-14113
 }